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Siskin Carduelis spinus   [Linnaeus, 1758]
Other Names Trends & Distribution Breeding & Survival Biometrics Books & Links
Order: Passeriformes Family: Carduelidae
BTO Codes: SK, SISKI EURING No: 16540
Number in Britain: 357 thousand territories (Summer)
Conservation Status:
UK: GREEN
European: Not a species of concern
Global: Least Concern
Links to: Images   Videos   Sound  

Status in UK: (A)  Resident Breeder, Passage/Winter Visitor
Subspecies: Monotypic
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Length: 12 cm Wingspan: 22 cm Weight: M/F: 15 g    
Scientific name from: L.: carduelis=the goldfinch and Gr.: spinos=a bird described by Aristophanes and others]
World Distribution: BREEDS: n Eurasia, WINTERS: south to s Europe, c Asia
Habitat: Woodland
Diet: Seeds esp spruce or pine, alder, birch, some invertebrates in summer
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Population and Distribution
Population Trend: Wider Countryside Report
Regional Trends: Scotland   England   English Regions
Distribution: Atlas Maps    (Help with the New Atlas)    BBS Maps
British Population Size:
    Summer: 357 thousand territories in 2000
    First Record: 14th Century
    Conservation Status: GREEN
   Previous Assessments: 2002-2007 GREEN     1996-2001 GREEN  
   Races of Concern:
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Coniferous Wood
Relative Frequency in Each Habitat:
European Population Size:
    Summer: 2 to 6 million pairs
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of: WCA(III), Bern(III)
Survey Results: Garden BirdWatch
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Breeding and Survival
Egg Size: 16 x 12 mm Egg Weight: 1.3 g (of which 5 % is shell)
Number of Nest Records: 2
Clutch Size: 4 - 5 eggs
Incubation: 12- 13 days by the: Female
Fledging: 13 - 15days as: Altricial, downy
First Clutches Laid: Unavailable
Number of Broods: 2
Trends in Breeding Productivity

Number Ringed: 16270
Adult Survival: 0.461    (M:0.476 ± 0.074; F:0.446 ± 0.085)      
Juvenile Survival: 0.449 (in First-Year)  
Age at First Breeding: 1 year Typical Lifespan: 2 years
Maximum Recorded Age: 9yr 2m   (Russia: 13yr 6m)
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Biometrics
Ring Size: A
Wing Length Adult: 72.6 ± 3.5 Range 70 - 76 mm, N =60879
Juvenile: 72.2 ± 1.9 69 - 75 mm, N =3637
Male: 73.5 ± 1.7 71 - 76 mm, N =34720
Female: 71.5 ± 4.7 69 - 74 mm, N =26091
Weight Adult: 12.92 ± 1.51 Range 11.40 - 14.90 g , N =51674
Juvenile: 12.33 ± 1.06 10.60 - 14.10 g , N =3107
Male: 13.03 ± 1.58 11.50 - 15.00 g , N =29236
Female: 12.77 ± 1.40 . 11.30 - 14.60 g , N =22380
Source:
British Trust for Ornithology (2005) Ringing Scheme data
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Other Names
Eurasian Siskin
Gaelic: Gealag-bhuidhe Welsh: Pila Gwyrdd
Danish: Grřnsisken Dutch: Sijs
Finnish: Viherbarpunen French: Tarin des aulnes
German: Erlenzeisig Hungarian: Csíz
Icelandic: Barrfinka Irish: Siscín
Italian: Lucarino Norwegian: Grřnnsisik
Polish: Czyz zwyczajny Portuguese: Lugre
Spanish: Lúgano Swedish: Grönsiska
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For More Information...
Books and Monographs:
   Newton, I. 1972 The finches Collins, London [598.982 NEW]
See Also:
Wikipedia entry
State of the Nations Birds by Chris Mead
Recent sightings and information from BirdGuides.com
Selected scientific papers published 1980-2005
Find more papers on Google Scholar
Find more papers on Scirus

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BirdWeb logo, click to go to BirdWeb BirdFacts home | BTO Home
Email: birdfacts@bto.org

These data should be cited as:
Robinson, R.A. (2005) BirdFacts: profiles of birds occurring in Britain & Ireland (v1.24, June 2009). BTO Research Report 407, BTO, Thetford (http://www.bto.org/birdfacts)

 

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